so sánh 2020.2021-1/2020.2021 và 2021.2022-1/2021.2022

2 câu trả lời

2020.2021-12020.2021=2020.20212020.2021-12020.2021=1-12020.2021

2021.2022-12021.2022=2021.20222021.2022-12021.2022=1-12021.2022

Có:

12020.2021>12021.2022

1-12020.2021<1-12021.2022

2020.2021-12020.2021<2021.2022-12021.2022

Vậy 2020.2021-12020.2021<2021.2022-12021.2022

Đáp án

2020.2021-1/2020.2021= 2021-1/2020=2020.999505

2021.2022-1/2021.2022=2022-1/2021=2021.999505

 vì 2020.999505<2021.999505

=> 2020.2021-1/2020.2021 < 2021.2022-1/2021.2022

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